Napping-machine.



D. GESSNER NAPPING MACHINE.

APPLICATION FILED AUG.28, 1913.

Patented. Sept. 18,- 191?.

3 SHEETS-SHEET. 1.

mlulvly w D. GESSNER.

NAPPING MACHlNE.

APPLICATION FILED AUG-28,1913.

Patented Sept. 18, 1917.

3 SHEETSSHEET 2.

D. GESSNER.

NAPPING MACHINE.

APPLICATION FILED AUG.2B. I913.

Patented Sept. 18, 1917.

FEED STATES PATENT DAVID G-ESSNER, OF WORCESTER, MASSACHUSETTS.

NAPPING-Mel-LCHINE.

Application filed August-28, 1913.

To all whom it may concern:

Be it known that 1, DAVID GESSNER, a citizen of the United States,residing at lVorcester, county of Worcester, State of Massachusetts,have invented certain new and useful Improvements in Napping-Machines,of which the following is a specification. 7

My invention consists in certain improvements in planetary cloth nappingmachines and refers more particularly to the manner of mounting thenapping rolls in the drumheads, my object being to simplify thesemountings and thereby secure better results in the working of suchmachines. v

The invention consists in the improvements to be fully describedhereinafter and the novelty .of which will be particularly pointed outand distinctly claimed.

I have fully and clearly illustrated my in vention in theaccompanyingdrawings to be taken as a part of this specification and wherein,

Figure 1 is a crosssection of a napping drum containing my improvedmounting of the napping rolls;

2 is a side view of one .end ther of, with certain parts shown insection;

Figs. 3, 4, 5, 6, 7, 8 and 9 are details thereof;

Figs. 10, 11 and 12 show modifications of certain parts;

Figs. 13, 14 and 15 show in partial section a modification of myimproved method of mounting the napping rolls; and

Figs. 16 and 17 show details thereof.

Referring to Figs. 1 and 2, A is one of two end-frames of a nappingmachine, B are the bottom cross girds, B are the top cross girds, and Care the tie rods uniting the end frames. D is a main bearing on top ofone of the frames A, for holding one end of the drum shaft E, to whichare keyed drum heads F, one being shown in the drawing, which head isformed with peripheral openings or seats, containing iU-shaped openbushings f, for holding the napping roll gudgeons or journals 9, of thenapping rolls it, said. bushings being held in place by screws sthreaded through said bushings into the periphery of the head. The rollsmay be driven in any suitable manner, as by a circular rack or internalgear E mounted on the shaft E and meshing with gears Specification ofLetters Patent.

Patented Sept. 18, 1917.

Serial No. 787,051.

E on the ends of the gudgeons of said rolls. A traveling grease ring 2'is arranged around the napping roll journals 9 consisting preferably oftwo sections and united by twov coupling pieces Z into one completering. One of these traveling grease rings is placed around the journals9 at either end of and close to the napping roll bodies. The

has been inserted and bolted in place by screws m, the cams are broughtout of touch again with the ring 2' by simply turning the cams untiltheir heavy or high parts point downward, as shown in Figs. 3 and 5,whereupon the rings i are free again, once more to revolve upon and withthe journals 9 when the napping drum is set in motion.

I will now describe means for supplying suitable lubricant to the greasering to be distributed thereby to the gudgeons of the napping rolls:

The drum shaft E has an axial hole or passage 0 drilled into it from itsextreme end toward the middle of the machine, which hole extends farenough in to connect with a tube n. set in one of theheads F and eX-tending from the hub of the head outward through its rim, until its endalmost touches the traveling grease ring around the journals g of thenapping rolls it. By attaching a compression cup, not shown, to theouter end of the drum shaft E a suitable lubricant is forced through thehole or passage 0, and

out from the tube n upon the traveling grease ring 11, from which itspreads to the them by about asiXteenth of an inch, so that the rollscannot contact with this lip dining the operation of the machine.Fastened to the drum heads F, and placed directly under each nappingroll body, are thecups 9 made of pressed steel, which reach out from thedrum heads and under the napping roll bodies to about the same extent asthe lip 19 of the ring 2' over-reaches the napping roll bodies on theopposite side. These cups g, too, clear the rolls about one sixteenth ofan inch, in the ordinary operation of the machine.

Should at any time a journal of one of the rolls break, either throughcrystallization of the metal in it, or through some other accident, thelip p, on the traveling ring 2', will prevent the roll from flyingoutward, and the cups qwill prevent the damaged roll from contactingwith its neighbors, or from dropping inward, as the machine slows upbefore coming to a stop, and thus the gen eral destruction of rolls willbe prevented, which destruction now is unavoidable. in all nappingmachines of which I am aware. It it well known that when a journal of anapping roll breaks it always gives way at the inner end near thenapping roll body, and the breaking of just one journalv during theoperation of the machine often means the destruction of every other rollin'the entire napping roll drum during the mix-up of flying rolls.

Instead of using the cups q, the drum heads F may each be provided witha circular lip or flange 2 projecting inward over the bodies of therolls, as in Figs. 10 and 11, to stop the napping rolls from dropping inward, withT-bolts s secured to the drum heads between each pair ofnapping rolls, to prevent their contacting sidewise, in case an accidentshould happen, as above mentioned. lVhile I prefer the use of-rthepressed steel cups 9, still, injury to the rolls will be effectuallyprevented by the construction shown in Figs. 10, 11 and 12.

While in Figs. 1 and 2 the traveling grease ring surrounds the journalsof the napping rolls where they are held in the U-shaped bushings 7 inthe heads F, the ring 2', as shown in Figs. 13 and 15, is clapped aroundthe gudgeons or journals alongside of the heads-F directly inside ofthem and between the head and the napping roll bodies. For this reason.the gudgeons or journals 9 are made correspondingly longer and the cupsq are extended in proportion so as to still pro ect under and partlallyaround the napping roll bodles, so when in case of accident a journalshould break, the'broken roll can not contact with its neighbors or dropinside the drum when the machine is being brought to rest. The ring iislubricated, as before, through a crook-necked tube '11, connecting witha hole or longitudinal opening,'o, With- For lubricating the journals-ofthe nap Y ping rolls, where they are held in the U-.

shaped bushings f in the heads F, a grease band o, preferably made offelt, is slung around them and buckled together at y (Fig. 15). A loopw, attached to the band a, is slipped over a pin 15, screwed into theside of grease ring i, whereby the grease band is carried around thejournals by the traveling grease ring 2' as soon as the machine issetin' motion. The grease felt band 1;, having once been saturated witha lubricant, will communicate the same to all the journals by contact.So much of the pressed steel cups Q, as islocated directly under thejournal of a napping roll, and not under the necked tube a.

la is a flat piece of steel, or a feather, inserted into the side ofdrum head F, and projecting outwardly from its periphery to cause thetraveling grease ring 2' to always travel the same path between thesefeathers 7c and the ends of the napping roll bodies It.

What I claim and desire to secure by Letters Patent of the United Statesis p 1. In a planetary napping machine, in combination, a head, acircular series of napping rolls having gudgeons journaled in said head,and a ring surrounding said 'gudgoons and having a lip overlying theends of the bodies of said rolls.

Q. In a planetary napping machine in combination, ahead, a circularseries of napping rolls having gudgeons journaled in bearings in saidhead, a ring surrounding said gudgeons, andmeans for preventing bothinward and outward movement of the rolls in case of breakage of thegudgeons.

3. In a planetary napping machine, in

to prevent the rolls contacting each other in case of breakage of thegudgeons.

i. In a planetary napping machine, in

combination, a head, a circular series of nap ping rolls having gudgeonsjournaled in said head, a ring surrounding said gud-V geons, means'forpreventing inward and outward-movement of the rolls in case of breakageof the gudgeons, and stop means on the head and located between therolls to prevent the rolls contacting each other in case of saidbreakage.

5. In aplanetary napping machine, in combination, a head, a circularseries of napping rolls having gudgeonsjournaled in bearings in saidhead, ari ng' surrounding said gudgeons, and means for supporting therolls out of contact with each other in event of breakage of thegudgeons.

6. In a planetary napping machine, in

7. In a planetary napping machine, in

combination, a head, a circular series of napping rolls having gudgeonsjournaled in bearings in said head, a ring surrounding said gudgeons andhaving a lip overlying the bodies of the rolls, and a cup-shaped supportlocated beneath each roll to sup,- port the same in case of breakage ofits gudgeon.

8. In a planetary napping machine, in combination, a head, a circularseries of napping rolls having gudgeons journaled in bearings in saidhead, and a flange upon the said head and projecting over thebodies ofthe rolls to hold the rolls out of contact with each other in case ofbreakage of a gudgeon.

9. In a planetary napping machine, in combination, a head having openbearings, a circular series of napping rolls having gudgeons journaledin said bearings, a ring surrounding said gudgeons between the said headand the bodies of the rolls, and

grease band surrounding said gudgeons over the bearings.

10. In a planetary napping machine, in combination, a head having openbearings, a circular series of napping rolls having gudgeons journaledin said bearings, a ring surrounding said gudgeons between the said headand the bodies of the rolls, a grease a circular series of napping rollshaving gudgeons ournaled Hi said-bearings, a ring surrounding saidgudgeons between the said head andthe bodiesof the" rolls, a" greaseba-nd surrounding Stud gudgeons over the bearings, and means forsupplying a lubricant to" said ring and greaseba'ndL 13. In. a planetarynapping machine, in combination,- a head having open bearings, acircular series of napping rolls having gudgeons journaled in saidbearings, a ring surrounding said gudgeons between the said head and thebodies of the rolls, a grease band surrounding said gudgeons over thebearings, and means for supplying a lubricant to said ring and greaseband, said means comprising an axial opening through said shaft and atube connected to said opening at one end and opening at its other endagainst said ring.

14. In a planetary napping machine, in combination, a frame, a head, acircular series of napping rolls having gudgeons journaled in said head,a ring surrounding said gudgeons and supported thereby, and meansmounted on the frame and adapted to support said ring when the machineis at rest.

15. In a planetary napping machine, in combination, a head, a circularseries of napping rolls having gudgeons journaled in said head, a ringsurrounding said gudgeons and supported thereby, and cam means tosupport the ring when the machine is at rest. y

16. In a planetary napping machine, in cmnbination, frame, tie rods, ahead journaled in said frame, a, circular series of napping rolls havinggudgeons journaled in said head, a ring surrounding said gudgeons andsupported thereby, and rotatable cams mounted on said tie rods forsupporting the ring when the machine is at rest.

17. In a planetary napping machine, in combination, a head havingbearings, a circular series of napping rolls having gudgeons ournaled insaid bearings, and a ring surrounding said gudgeons between the head andthe bodies of the rolls and having means projecting over the ends of thebodies of the rolls to prevent outward movement of the rolls in event ofbreakage of the gudgeons.

18. In a planetary napping machine, in combination, a head, a circularseries of napping rolls having gudgeons journaled in bearings in saidhead, and a ring surrounding said gudgeons and having means projectingover the ends of the bodies of the rolls to prevent outward movement ofthe rolls in event of breakage of the gudgeons.

19. In a planetary napping machine, in combination, a head, a circularseries of napping rolls having gudgeons journaled in bearin s in saidhead and a rin surroundsi' ned 111 name in the oresence of tWo s11b.

mg sald gudgeons and havlng an annular scrlblng wltnesses.

part p1'0 ect1ng over the ends of the bodles 0f the rolls to preventoutward. movement of DAVID N 5 the rolls in event of breakage of thegud- Witnesses:

geons. R. PLUNKETT, In testimony whereof I have hereunto D. A. DAVIES.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

7 Washington, D. O.

